Home / 1,579,989.88-2,180,385.24-891,806.15

Finding the Fourth Proportional to 1,579,989.88, 2,180,385.24 and 891,806.15

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Solution

The fourth proportional to 1,579,989.88, 2,180,385.24 and 891,806.15 is: 1,230,692.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,989.88 : 2,180,385.24 = 891,806.15 : x
  2. Step 2: Convert to fraction form
    1,579,989.88/2,180,385.24 = 891,806.15/x
  3. Step 3: Cross multiply
    1,579,989.88x = 2,180,385.24 × 891,806.15
  4. Step 4: Simplify right side
    1,579,989.88x = 1,944,480,968,507.92
  5. Step 5: Solve for x
    x = 1,944,480,968,507.92/1,579,989.88
  6. Step 6: Final answer
    x = 1,230,692.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.